Definition of

# Or

In logic "or" means at least one is true.

They can both be true. But if none are true the result is "false".

Example:

When A is true and B is true then

When A is false and B is true then

When A is true and B is false then

When A is false and B is false then

Example: is grass green or red? Answer: yes.

They can both be true. But if none are true the result is "false".

Example:

When A is true and B is true then

**A or B**is trueWhen A is false and B is true then

**A or B**is trueWhen A is true and B is false then

**A or B**is trueWhen A is false and B is false then

**A or B**is falseExample: is grass green or red? Answer: yes.

See: And

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